windows XP and more with 256 MB of memory min. 64bit version is also available from hacketatwork.co

Recent changes:

Seriousd 1.4.3.1, the Proactive Time Tracker now includes a timeline view and a new design. Of course, we still continue to be the only time tracker in the world that will force you to be productive. Stop wasting time and try Seriousd today!